They are apt to be crenated when the film has dried too slowly.
In the Momots the beak is long, robust, and crenated at the edge.
Of these latter some will be seen to have lost their circular outline, and to have become jagged or crenated.
They are however nothing but contraction forms of the poikilocytes, as the crenated are of the normal corpuscles.
The spores are ovoid, and have a crenated pellucid wing-like margin.
The edges of the al are crenated in all the species, except in T. costata.
The sutural edges of the al are smooth, or with a high power can just be seen to be crenated.
The sutural edges of the al are crenated; their summits are less oblique than those of the radii.
The edges of the radii are formed by crenated, and occasionally branched, septa.
The Caps have not the crenated margins, the short anterior side, and the distinct lateral teeth, which characterize the Donaces.